Zell Ergonomic Mouse, Rechargeable Wireless Mouse, 2.4Ghz Rechargeable Wireless Vertical Optical Mice With Usb Receiver, 6 Buttons, 800/1200/1600.

Efficient And Sensitive-Easy To Usethe Ergonomic Mouse Has 6 Convenient Buttons Design, Plug And Play; Adjustable 800/1200/1600 Dpi Mouse Movement Speed. Optical Tracking Technology Has Higher Sensitivity Than Standard Optical Mouse, Usable Smooth And Precise Tracking On A Variety Of Surfaces.